Which method will be employed to test the hardness of water?
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Name the acid present in lemon.
Atomic number of which of the following elements is greater than that of Aluminium?
An unbalanced chemical equation is called a
Elements A, B and C occur as Dobereiners triads. If the atomic mass of A is 7 and that of C is 39, what will be the atomic mass of B?
What is dry ice?
The reactions in which oxidation and reduction occur simultaneously are called _______.
Terylene is a condensation polymer of ethylene glycol and which acid?
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